257354496

素因数分解:

$2^8\times 3^6\times 7^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 252

約数和(自身を含む): 884700432

約数和(自身を除く): 627345936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 197, 216, 224, 243, 252, 256, 288, 324, 336, 378, 384, 394, 432, 448, 486, 504, 567, 576, 591, 648, 672, 729, 756, 768, 788, 864, 896, 972, 1008, 1134, 1152, 1182, 1296, 1344, 1379, 1458, 1512, 1576, 1701, 1728, 1773, 1792, 1944, 2016, 2268, 2304, 2364, 2592, 2688, 2758, 2916, 3024, 3152, 3402, 3456, 3546, 3888, 4032, 4137, 4536, 4728, 5103, 5184, 5319, 5376, 5516, 5832, 6048, 6304, 6804, 6912, 7092, 7776, 8064, 8274, 9072, 9456, 10206, 10368, 10638, 11032, 11664, 12096, 12411, 12608, 13608, 14184, 15552, 15957, 16128, 16548, 18144, 18912, 20412, 20736, 21276, 22064, 23328, 24192, 24822, 25216, 27216, 28368, 31104, 31914, 33096, 36288, 37233, 37824, 40824, 42552, 44128, 46656, 47871, 48384, 49644, 50432, 54432, 56736, 62208, 63828, 66192, 72576, 74466, 75648, 81648, 85104, 88256, 93312, 95742, 99288, 108864, 111699, 113472, 127656, 132384, 143613, 145152, 148932, 151296, 163296, 170208, 176512, 186624, 191484, 198576, 217728, 223398, 226944, 255312, 264768, 287226, 297864, 326592, 335097, 340416, 353024, 382968, 397152, 435456, 446796, 453888, 510624, 529536, 574452, 595728, 653184, 670194, 680832, 765936, 794304, 893592, 1005291, 1021248, 1059072, 1148904, 1191456, 1306368, 1340388, 1361664, 1531872, 1588608, 1787184, 2010582, 2042496, 2297808, 2382912, 2680776, 3063744, 3177216, 3574368, 4021164, 4084992, 4595616, 4765824, 5361552, 6127488, 7148736, 8042328, 9191232, 9531648, 10723104, 12254976, 14297472, 16084656, 18382464, 21446208, 28594944, 32169312, 36764928, 42892416, 64338624, 85784832, 128677248, 257354496]

約数ペア:

[(1, 257354496), (2, 128677248), (3, 85784832), (4, 64338624), (6, 42892416), (7, 36764928), (8, 32169312), (9, 28594944), (12, 21446208), (14, 18382464), (16, 16084656), (18, 14297472), (21, 12254976), (24, 10723104), (27, 9531648), (28, 9191232), (32, 8042328), (36, 7148736), (42, 6127488), (48, 5361552), (54, 4765824), (56, 4595616), (63, 4084992), (64, 4021164), (72, 3574368), (81, 3177216), (84, 3063744), (96, 2680776), (108, 2382912), (112, 2297808), (126, 2042496), (128, 2010582), (144, 1787184), (162, 1588608), (168, 1531872), (189, 1361664), (192, 1340388), (197, 1306368), (216, 1191456), (224, 1148904), (243, 1059072), (252, 1021248), (256, 1005291), (288, 893592), (324, 794304), (336, 765936), (378, 680832), (384, 670194), (394, 653184), (432, 595728), (448, 574452), (486, 529536), (504, 510624), (567, 453888), (576, 446796), (591, 435456), (648, 397152), (672, 382968), (729, 353024), (756, 340416), (768, 335097), (788, 326592), (864, 297864), (896, 287226), (972, 264768), (1008, 255312), (1134, 226944), (1152, 223398), (1182, 217728), (1296, 198576), (1344, 191484), (1379, 186624), (1458, 176512), (1512, 170208), (1576, 163296), (1701, 151296), (1728, 148932), (1773, 145152), (1792, 143613), (1944, 132384), (2016, 127656), (2268, 113472), (2304, 111699), (2364, 108864), (2592, 99288), (2688, 95742), (2758, 93312), (2916, 88256), (3024, 85104), (3152, 81648), (3402, 75648), (3456, 74466), (3546, 72576), (3888, 66192), (4032, 63828), (4137, 62208), (4536, 56736), (4728, 54432), (5103, 50432), (5184, 49644), (5319, 48384), (5376, 47871), (5516, 46656), (5832, 44128), (6048, 42552), (6304, 40824), (6804, 37824), (6912, 37233), (7092, 36288), (7776, 33096), (8064, 31914), (8274, 31104), (9072, 28368), (9456, 27216), (10206, 25216), (10368, 24822), (10638, 24192), (11032, 23328), (11664, 22064), (12096, 21276), (12411, 20736), (12608, 20412), (13608, 18912), (14184, 18144), (15552, 16548), (15957, 16128)]